Tahoe Rim Trail Endurance Runs

High-Altitude Ultra Running with Basin-Wide Views

July 18-19, 2026 brings one of the West’s most respected ultramarathon events to the Tahoe Rim Trail, where runners choose from 23K, 50K, 100K, or 100-mile distances across rugged singletrack that circles Lake Tahoe at elevations topping 10,000 feet. The course delivers relentless climbing, technical descents, and panoramic views that stretch from the Sierra Crest across the lake to the Great Basin—every aid station feels earned, and every mile tests your legs, lungs, and resolve. Runners start and finish in Carson City, with the 100-miler beginning Friday evening and shorter distances starting Saturday morning. This is not a beginner-friendly race: expect rocky trails, exposed alpine sections, wildfire smoke risk in July, and the kind of suffering that ultrarunners describe with reverence.

Who Should Go
Experienced trail runners and ultramarathoners looking for a Western classic will appreciate the challenge and scenery. The 23K serves as an introduction to high-altitude trail running, while the 100-miler attracts veterans chasing buckles and bragging rights. Support crews and families can drive to several aid stations, though long stretches between access points mean you’ll spend hours waiting. Non-running partners often use the weekend to explore Carson City, hike easier Tahoe trails, or simply meet their runner at key checkpoints with encouragement and fresh socks.

Race Logistics
• 100-mile start: Friday evening (typically 5-6 PM); 100K start: Saturday early morning (5-6 AM); 50K and 23K start: Saturday morning (7-8 AM)
• Registration opens in winter and sells out months in advance for popular distances
• Entry fees range from $100 (23K) to $350+ (100-mile); includes timing chip, aid station support, and finisher awards
• Cutoff times are strict: 100-mile runners have 35 hours; shorter distances have proportional limits
• Aid stations offer water, electrolytes, gels, fruit, and salty snacks; crew access varies by station
• Mid-July in the high Sierra means temps from the 40s°F at dawn to the 80s°F by afternoon; expect sun exposure, potential thunderstorms, and variable conditions
• Runners must carry mandatory gear including water, nutrition, headlamp, and emergency supplies
• If wildfire smoke affects air quality, race directors may delay or cancel—check updates the week before

Base Camp Strategy
Carson City sits 30 minutes from Tahoe’s East Shore, making it the logical base for the weekend. After the race, recover with a meal at Adele’s in Carson City (open since 1989, known for comfort food and massive portions). The next day, drive to Sand Harbor for a gentle beach walk—your legs won’t be ready for hiking, but the turquoise water and granite boulders provide the perfect backdrop for post-race reflection. Book your weekend on Lake.com, where East Shore and Carson Valley rentals offer quick access to the start line, recovery space, and the kind of quiet you’ll crave after 50K or 100 miles on the trail.